Cut thin slices into your potato,but don't cut all the way down,so the bottom is attached.
Put them in a pot and cover with water.Bring to a boil and add the rosemary twig,the lime cut in half ,one garlic glove and salt.
Let your potatoes boil for 15 min and drain the water.
Chop the other clove of garlic.In a small saucepan,heat 5 tablespoons olive oil and add the garlic.Once the garlic gets some color,remove the pan from the heat.
Place your potatoes on a baking tray with nonstick paper.
Brush the garlic olive oil on and in the potatoes.Season well.